%0 Journal Article %A Sheng, Mao %A Sun, Hao %A Wang, Jianping %T On the existence of gr-semistable filtrations of orthogonal/symplectic $\lambda $-connections %J Journal de l’École polytechnique — Mathématiques %D 2024 %P 1181-1218 %V 11 %I Ecole polytechnique %U https://www.numdam.org/articles/10.5802/jep.276/ %R 10.5802/jep.276 %G en %F JEP_2024__11__1181_0